Federal Register #EPA-R09-OAR-2026-3400

EPA Proposes Approval of Updated Motor Vehicle Emissions Budgets for San Joaquin Valley

This opportunity is a regulatory proposal from the Environmental Protection Agency (EPA) regarding air quality standards in California's San Joaquin Valley. - Government Buyer: - Environmental Protection Agency (EPA) - No OEMs or vendors are mentioned, as this is not a procurement for products or services - No products or services are being requested - Key Details: - EPA is proposing to approve updated motor vehicle emissions budgets for nitrogen oxides (NOx) and volatile organic compounds (VOC) in the San Joaquin Valley - The update uses the latest approved modeling methods (EMFAC2021 with November 2025 adjustment factors) - The action is regulatory, not a solicitation for goods or services - The EPA is seeking public comments on the proposed rule - No contract value, period of performance, or line items are applicable, as this is not a procurement action

Description

The Environmental Protection Agency (EPA) proposes to approve revisions to California's State Implementation Plan (SIP) for the San Joaquin Valley (SJV) area. The revisions update the motor vehicle emissions budgets for nitrogen oxides (NOx) and volatile organic compounds (VOC) for the 2008 8-hour ozone National Ambient Air Quality Standard (NAAQS). These updated budgets for 2026, 2029, and 2031 were developed with the latest approved modeling methods and would supersede previous budgets if approved. The proposal aims to ensure continued compliance with air quality standards in the San Joaquin Valley by reflecting the latest emissions modeling data.

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